:root {
  --navy: #09233f;
  --blue: #0b6ff0;
  --blue-700: #064fbd;
  --mint: #28d6a3;
  --ink: #122033;
  --muted: #607089;
  --line: #dbe6f4;
  --soft: #f4f8fc;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(9, 35, 63, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(219, 230, 244, 0.8);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--navy);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--blue));
  box-shadow: 0 10px 28px rgba(11, 111, 240, 0.22);
}

.brand-name {
  font-size: 1.18rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.94rem;
  font-weight: 600;
  color: #263a54;
}

.main-nav a:hover {
  color: var(--blue);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  font-weight: 800;
}

.nav-cta {
  padding: 0 18px;
  color: var(--white) !important;
  background: var(--blue);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
  min-height: auto;
  padding: clamp(36px, 5vw, 58px) clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 88% 18%, rgba(40, 214, 163, 0.16), transparent 32%),
    linear-gradient(135deg, #f9fcff 0%, #eef6ff 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(3rem, 5vw, 4.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 720px;
  margin: 16px 0 10px;
  color: var(--navy);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  font-weight: 800;
  line-height: 1.18;
}

.hero-copy,
.tech-copy p,
.enrollment p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  padding: 0 22px;
}

.button-primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(11, 111, 240, 0.28);
}

.button-secondary {
  color: var(--navy);
  border: 1px solid var(--line);
  background: var(--white);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  display: block;
  width: 100%;
  max-width: 560px;
  max-height: 440px;
  object-fit: contain;
  margin-left: auto;
  filter: drop-shadow(0 22px 32px rgba(9, 35, 63, 0.14));
}

.pillars,
.why,
.technology,
.courses,
.enrollment,
.site-footer {
  padding: clamp(58px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  background: var(--white);
}

.pillar-card,
.tech-grid article,
.course-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(9, 35, 63, 0.06);
}

.pillar-card {
  padding: 24px;
}

.icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--navy);
  font-weight: 800;
  background: #dcfff5;
}

.pillar-card h2,
.tech-grid h3,
.course-grid h3,
.site-footer h2 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 1rem;
}

.pillar-card p,
.tech-grid p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.62;
}

.pillar-card a,
.course-grid a {
  color: var(--blue-700);
  font-weight: 800;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.tech-copy h2,
.enrollment h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.06;
  letter-spacing: 0;
}

.why {
  background: var(--soft);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.benefits-grid div {
  min-height: 72px;
  padding: 22px 22px 22px 54px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--navy);
  font-weight: 800;
  background: var(--white);
  position: relative;
}

.benefits-grid div::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--mint);
}

.technology {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(320px, 1.22fr);
  gap: 34px;
  align-items: start;
  background: var(--navy);
}

.technology .eyebrow,
.technology h2 {
  color: var(--white);
}

.technology .tech-copy p {
  color: #c8d8ee;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.tech-grid article {
  padding: 24px;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.tech-grid h3 {
  color: var(--white);
}

.tech-grid p {
  color: #c8d8ee;
}

.courses {
  background: var(--white);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.course-grid article {
  min-height: 138px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.enrollment {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--white);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(40, 214, 163, 0.22), transparent 55%),
    linear-gradient(135deg, rgba(9, 35, 63, 0.94), rgba(11, 111, 240, 0.9)),
    url("assets/hero-aulion-cursos-tecnologia.svg") center / cover;
  margin: 0 clamp(20px, 5vw, 72px) clamp(56px, 8vw, 96px);
  border-radius: 28px;
  box-shadow: 0 30px 60px rgba(9, 35, 63, 0.28);
}

.enrollment::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.enrollment .eyebrow,
.enrollment h2 {
  color: var(--white);
}

.enrollment p {
  max-width: 760px;
  color: #e7f1ff;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 34px;
  color: #d7e5f8;
  background: #061a30;
}

.footer-brand {
  color: var(--white);
}

.site-footer p,
.site-footer li {
  color: #b9cbe2;
  line-height: 1.8;
}

.site-footer ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-footer h2 {
  color: var(--white);
}

.copyright {
  grid-column: 1 / -1;
  margin: 22px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

@media (max-width: 1240px) {
  .main-nav {
    gap: 16px;
  }

  .pillars,
  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 899px) {
  .site-header {
    min-height: 70px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 14px;
  }

  .nav-cta {
    margin-top: 8px;
  }

  .hero,
  .technology {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    order: -1;
  }

  .benefits-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .enrollment {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .pillars,
  .course-grid,
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(3rem, 18vw, 4.4rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }
}


/* SEO and responsive refinements */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 12px 14px;
  border-radius: 8px;
  color: var(--white);
  font-weight: 800;
  background: var(--navy);
}

.skip-link:focus {
  transform: translateY(0);
}

@media (max-width: 899px) {
  .site-header {
    padding-inline: clamp(16px, 3vw, 34px);
  }

  .main-nav {
    gap: 12px;
    font-size: 0.88rem;
  }
}

@media (max-width: 899px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - 92px);
    overflow-y: auto;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 14px;
  }

  .nav-cta {
    margin-top: 8px;
  }
}

@media (max-width: 480px) {
  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .brand-name {
    font-size: 1rem;
  }

  .hero,
  .pillars,
  .why,
  .technology,
  .courses,
  .enrollment,
  .site-footer {
    padding-inline: 16px;
  }
}


/* Partner logo sections */
.partner-strip,
.student-partner-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(34px, 5vw, 58px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.partner-strip h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  line-height: 1.08;
}

.partner-strip p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.68;
}

.partner-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: min(330px, 100%);
  min-height: 132px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(9, 35, 63, 0.08);
}

.partner-logo-card img {
  display: block;
  width: auto;
  max-width: 260px;
  max-height: 82px;
  object-fit: contain;
}

.dark-logo-card {
  background: linear-gradient(135deg, #09233f, #0b6ff0);
}

.student-partner-strip {
  justify-content: center;
  background: var(--soft);
}

.student-partner-strip .partner-logo-card {
  flex-direction: column;
  gap: 14px;
  width: min(360px, 100%);
}

.student-partner-strip span {
  color: var(--navy);
  font-weight: 800;
}

.student-partner-strip .dark-logo-card span {
  color: var(--white);
}

@media (max-width: 760px) {
  .partner-strip,
  .student-partner-strip {
    align-items: stretch;
    flex-direction: column;
    padding-inline: 16px;
  }

  .partner-logo-card {
    width: 100%;
    min-width: 0;
  }
}


/* Aulion Cursos image logo */
.brand-logo {
  display: block;
  object-fit: cover;
  object-position: center;
  border-radius: 6px;
}

.site-header .brand-logo {
  width: 128px;
  max-width: 128px;
  height: 62px;
}

.footer-brand {
  width: 190px;
  height: 86px;
  padding: 10px 14px;
  border-radius: 6px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand .brand-logo {
  width: 150px;
  max-width: 100%;
  height: 68px;
}

@media (max-width: 768px) {
  .site-header .brand-logo {
    width: 104px;
    max-width: 104px;
    height: 52px;
  }

  .footer-brand {
    width: 158px;
    height: 72px;
    padding: 9px 12px;
  }

  .footer-brand .brand-logo {
    width: 128px;
    height: 58px;
  }
}

@media (max-width: 480px) {
  .site-header .brand-logo {
    width: 96px;
    max-width: 96px;
    height: 46px;
  }
}

/* student three logo layout */
.student-partner-strip.three-logos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.student-partner-strip.three-logos .partner-logo-card {
  width: 100%;
  min-width: 0;
}

.aulion-cursos-logo-card img {
  max-width: 230px;
  max-height: 88px;
  border-radius: 6px;
}

.estacio-logo-card img {
  max-width: 240px;
}

.futuro-logo-card img {
  max-width: 220px;
}

@media (max-width: 860px) {
  .student-partner-strip.three-logos {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) and (max-width: 1240px) {
  .site-header {
    min-height: 68px;
    padding: 10px 16px;
  }

  .main-nav {
    gap: 8px;
    font-size: 0.78rem;
  }

  .main-nav a {
    white-space: nowrap;
  }

  .nav-cta {
    min-height: 40px;
    padding: 0 10px;
  }

  .site-header .brand-logo {
    width: 104px;
    max-width: 104px;
    height: 52px;
  }

  .hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 34px;
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: clamp(3rem, 5vw, 4.4rem);
  }

  .hero-visual img {
    max-width: 520px;
    max-height: 410px;
  }
}